[INFO] cloning repository https://github.com/Spark-NF/rs-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spark-NF/rs-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpark-NF%2Frs-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpark-NF%2Frs-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 200a7b2fec85c88c4ec5294a9623d221644dfdc3
[INFO] checking Spark-NF/rs-tracer against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpark-NF%2Frs-tracer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spark-NF/rs-tracer on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Spark-NF/rs-tracer
[INFO] finished tweaking git repo https://github.com/Spark-NF/rs-tracer
[INFO] tweaked toml for git repo https://github.com/Spark-NF/rs-tracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Spark-NF/rs-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05f7be458d92e5c3f962ac63c5ddea3b15723e87922757c79ea6f262ec7daf62
[INFO] running `Command { std: "docker" "start" "-a" "05f7be458d92e5c3f962ac63c5ddea3b15723e87922757c79ea6f262ec7daf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f7be458d92e5c3f962ac63c5ddea3b15723e87922757c79ea6f262ec7daf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f7be458d92e5c3f962ac63c5ddea3b15723e87922757c79ea6f262ec7daf62", kill_on_drop: false }`
[INFO] [stdout] 05f7be458d92e5c3f962ac63c5ddea3b15723e87922757c79ea6f262ec7daf62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e76bd8edfcc4976492ff825b558c4dbf5783e0721f22834747d8fe7b3ba4061
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e76bd8edfcc4976492ff825b558c4dbf5783e0721f22834747d8fe7b3ba4061", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking itoa v0.4.0
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking serde_json v1.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.25s
[INFO] running `Command { std: "docker" "inspect" "0e76bd8edfcc4976492ff825b558c4dbf5783e0721f22834747d8fe7b3ba4061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e76bd8edfcc4976492ff825b558c4dbf5783e0721f22834747d8fe7b3ba4061", kill_on_drop: false }`
[INFO] [stdout] 0e76bd8edfcc4976492ff825b558c4dbf5783e0721f22834747d8fe7b3ba4061